when mine got low on batteries it was static maybe you had bad batteries

"The Dark Side is strong in me, for I am Sith"- Asajj Ventress Star Wars Clone Wars Volume 1
"You don't know the power of the Dark Side! I must obey my master!"-Darth Vader Episode VI Return of the Jedi
"UNLIMITED POWER!!!"-Darth Sidious Episode III Revenge of the Sith
"Finally we will reveal ourselves to the Jedi, At last we will have revenge!"- Darth Maul Episode I the Phantom Menace
"My powers are powers are beyond those of any Jedi"-Darth Tyranus Episode II Attack of the Clones